Projector



FIG. 1 is a perspective view of a projector;

FIG. 2 is a front view thereof, the right side view, the left side view and the rear view being the same;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a projector, as shown and described. 